@article{04208665, title = {Boundary value problems in time for wave equations on }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {13}, year = {1990}, pages = {625-644}, doi = {10.1155/S0161171290000886}, zbl = {0731.35060}, language = {en}, url = {http://dml.mathdoc.fr/item/04208665} }
Smiley, M.W.; Fink, A.M. Boundary value problems in time for wave equations on . International Journal of Mathematics and Mathematical Sciences, Tome 13 (1990) pp. 625-644. doi : 10.1155/S0161171290000886. http://gdmltest.u-ga.fr/item/04208665/